<!DOCTYPE HTML>
<html>
<head>
    <title>商品详情</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>

    <!-- jquery -->
    <script type="text/javascript" src="/js/jquery.min.js"></script>
    <!-- bootstrap -->
    <link rel="stylesheet" type="text/css" href="/bootstrap/css/bootstrap.min.css"/>
    <script type="text/javascript" src="/bootstrap/js/bootstrap.min.js"></script>
    <!-- jquery-validator -->
    <script type="text/javascript" src="/jquery-validation/jquery.validate.min.js"></script>
    <script type="text/javascript" src="/jquery-validation/localization/messages_zh.min.js"></script>
    <!-- layer -->
    <script type="text/javascript" src="/layer/layer.js"></script>
    <!-- md5.js -->
    <script type="text/javascript" src="./js/md5.min.js"></script>
    <!-- common.js -->
    <script type="text/javascript" src="/js/common.js"></script>
</head>
<body>

<div class="panel panel-default">
    <div class="panel-heading">秒杀商品详情</div>
    <div class="panel-body">
        <span id="userTip"> 您还没有登录，请登陆后再操作<br/></span>
        <span id="shippingTip">没有收货地址的提示。。。</span>
    </div>
    <table class="table" id="goodslist">
        <tr>
            <td>商品名称</td>
            <td id="goodsName" colspan="3"></td>
        </tr>
        <tr>
            <td>商品图片</td>
            <td colspan="3"><img id="goodsImg" width="200" height="200"/></td>
        </tr>
        <tr>
            <td>秒杀开始时间</td>
            <td id="startTime"></td>
            <td>
                <input type="hidden" id="remainSeconds"/>
                <span id="miaoshaTip"></span>
            </td>
            <td>
                <div class="row">
                    <div class="form-inline">
                        <img id="verifyCodeImg" onclick="refreshVerifyCode()" style="display:none" width="80"
                             height="32">
                        <input id="verifyCode" style="display:none" class="form-control">
                        <button class="btn btn-primary " onclick=" getMiaoshaPath()" type="button" id="buyButton">
                            立即秒杀
                        </button>
                    </div>
                </div>
            </td>
        </tr>
        <tr>
            <td>商品原价</td>
            <td colspan="3" id="goodsPrice"></td>
        </tr>
        <tr>
            <td>秒杀价</td>
            <td colspan="3" id="miaoshaPrice"></td>
        </tr>
        <tr>
            <td>库存数量</td>
            <td colspan="3" id="stockCount"></td>
        </tr>
    </table>
</div>
</body>
<script>
    $(function () {
        getDetail();
    });

    function getDetail() {
        var goodsId = getUrlParam("goodsId");
        $.ajax({
            url: '/goods/to_detail/' + goodsId,
            type: 'get',
            success: function (data) {
                if (data.code === 0) {
                    render(data)
                } else {
                    layer.msg(data.msg);
                }
            },
            error: function () {
                layer.msg('客户端请求异常');
            }
        });
    }

    function getMiaoshaPath() {
        var goodsId = getUrlParam("goodsId");
        $.ajax({
            url: '/miaosha/get_miaosha_path',
            type: 'get',
            data: {
                goodsId: goodsId
            },
            success: function (data) {
                if (data.code == 0) {
                    var path = data.data;
                    doMiaosha(path);
                } else {
                    layer.msg(data.msg);
                }

            },
            error: function () {
                layer.msg("客户端请求错误");
            }
        });
    }

    function doMiaosha(path) {
        var goodsId = getUrlParam("goodsId");
        $.ajax({
            url: '/miaosha/do_miaosha/' + path,
            type: 'post',
            data: {
                goodsId: goodsId,
                verifyCode:$('#verifyCode').val()
            },
            success: function (data) {
                if (data.code == 0) {
                    // location.href = '/order_detail.htm?orderId=' + data.data.id;
                    getMiaoshaResult(goodsId);
                } else if (data.code == 500210) {
                    location.href = '/login/to_login';
                } else {
                    layer.msg(data.msg);
                }
            },
            error: function () {
                layer.msg("客户端请求错误");
            }
        });
    }

    function render(detail) {
        var miaoshaStatus = detail.data.miaoshaStatus;
        var remainSeconds = detail.data.remainSeconds;
        var goods = detail.data.goods;
        var user = detail.data.user;
        if (user) {
            $('#userTip').hide();
        }
        $("#goodsName").text(goods.goodsName);
        $("#goodsImg").attr("src", goods.goodsImg);
        $("#startTime").text(new Date(goods.startDate).format("yyyy-MM-dd hh:mm:ss"));
        $("#remainSeconds").val(remainSeconds);
        $("#goodsId").val(goods.id);
        $("#goodsPrice").text(goods.goodsPrice);
        $("#miaoshaPrice").text(goods.miaoshaPrice);
        $("#stockCount").text(goods.stockCount);
        countDown();
    }

    function countDown() {
        var goodsId = getUrlParam("goodsId");
        var remainSeconds = $("#remainSeconds").val();
        var timeout;
        if (remainSeconds > 0) {//秒杀还没开始，倒计时
            $("#buyButton").attr("disabled", true);
            $("#miaoshaTip").html("秒杀倒计时：" + remainSeconds + "秒");
            timeout = setTimeout(function () {
                $("#countDown").text(remainSeconds - 1);
                $("#remainSeconds").val(remainSeconds - 1);
                countDown();
            }, 1000);
        } else if (remainSeconds == 0) {//秒杀进行中
            $("#buyButton").attr("disabled", false);
            if (timeout) {
                clearTimeout(timeout);
            }
            $("#miaoshaTip").html("秒杀进行中");
            $('#verifyCodeImg').attr("src", "/miaosha/verifyCode?goodsId=" + goodsId);
            $('#verifyCodeImg').show();
            $('#verifyCode').show();
        } else {//秒杀已经结束
            $("#buyButton").attr("disabled", true);
            $("#miaoshaTip").html("秒杀已经结束");
        }
    }

    function refreshVerifyCode() {
        var goodsId = getUrlParam("goodsId");
        $('#verifyCodeImg').
        attr("src", "/miaosha/verifyCode?goodsId=" + goodsId + "&timeStamp=" + new Date().getTime());
    }

    /**
     * 成功  orderId   失败  -1  排队中  0
     * @param goodsId
     */
    function getMiaoshaResult(goodsId) {
        g_showLoading();
        $.ajax({
            url: '/miaosha/result',
            type: 'GET',
            data: {
                goodsId: goodsId
            },
            success: function (data) {
                if (data.code == 0) {
                    //这里就是订单ID
                    var result = data.data;
                    if (result < 0) {
                        layer.msg(data.msg);
                        //继续轮询
                    } else if (result == 0) {
                        setTimeout(function () {
                            getMiaoshaResult(goodsId);
                        }, 50);
                    } else {
                        layer.confirm("恭喜你秒杀成功!查看订单?", {btn: ['确定', '取消']},
                            function () {
                                location.href = '/order_detail.htm?orderId=' + result;
                            }, function () {
                                layer.closeAll();
                            });
                    }
                } else {
                    layer.msg(data.msg);
                }
            },
            error: function () {
                layer.msg("客户端请求错误");
            }
        });
    }
</script>
</html>
